This message appear in PCs that are running Windows XP with Service Pack 1. It's a configuration error in the Internet Explorer Settings. You need to update your system downloading the Service Pack 2 from this link:
http://www.microsoft.com/downloads/details.aspx?f...B5A&displaylang=en
Change the language if you aren't english. However this download is only for IT professional, if you want the standard version search it on Windows Update.